/Engine/Source/Runtime/UMG/Public/Blueprint/WidgetBlueprintLibrary.h
Draws a box
static void DrawBox ( [FPaintContext](API\Runtime\UMG\Blueprint\FPaintContext) & Context, FVector2D Position, FVector2D Size, [USlateBrushAsset](API\Runtime\Engine\Slate\USlateBrushAsset) * Brush, [FLinearColor](API\Runtime\Core\Math\FLinearColor) Tint )